| 1. | Determination of service life against chloroethane vapor 氯乙烷蒸气防护时间的测定 |
| 2. | Determination of service life against benzene vapor 苯蒸气防护时间的测定 |
| 3. | Determination of service life 防护时间的测定 |
| 4. | Standard test method for granular activated carbon from coal - determination of service life 煤质颗粒活性炭试验方法防护时间的测定 |
| 5. | Standard test method for granular activated carbon from coal - determination of service life against henzene vapor 煤质颗粒活性炭试验方法苯蒸气防护时间的测定 |
| 6. | Standard test method for granular activated carbon from coal - determination of service life against chloroethane vapor 煤质颗粒活性炭试验方法氯乙烷蒸气防护时间的测定 |